Chapter 3

Question 0

Prokaryotes

Answer 0

Does not have a nucleus

No membrane bound organelles

Question 1

cell theory

Answer 1

All organisms are made of cells
All cells are produced by other living things
The cell is the most basic unit of life

Question 2

Eukaryotes

Answer 2

Has a nucleus

Has membrane bound organelles

Question 3

What plant cells have that that animals don’t

Answer 3

Cell wall
Chloroplast
Vacuoles

Question 4

Mitochondria

Answer 4

Supplies energy to the cell

Question 5

Smooth ER

Answer 5

Thin folded membranes with no chromosomes

Question 6

Vacuole

Answer 6

Fluid filled sac used for storage or materials needed by the cell

Question 7

Golgi apparatus

Answer 7

Processes, sorts, and delivers proteins

Question 8

Cell membrane

Answer 8

Separates cell from external environment.

Question 9

Rough ER

Answer 9

Folded membranes covered in ribosomes

Question 10

Nucleolus

Answer 10

Where organelles essential for making proteins area assembled

Question 11

Nucleus

Answer 11

StoRes DNA

Question 12

Vesicle

Answer 12

Holds and transports materials from place to place

Question 13

Cytoskeleton

Answer 13

A network of proteins that changes to meet the needs of the cell

Question 14

Chloroplast

Answer 14

Conducts photosyntheis for the cell

Question 15

Central vacuole

Answer 15

Fluid filled sad that supports the cell.

Question 16

Cell wall

Answer 16

Provides rigid support

Question 17

Ribosome

Answer 17

Links amino acids to make proteins

Question 18

Centrosome

Answer 18

Produces microtubles

Question 19

Cell membrane structure

Answer 19

A double layer of phospholipids intertwined with proteins, a carbohydrate chain, a protein channel, cholesterol, and cytoskeleton proteins

Question 20

Selectively permeable

Answer 20

Allows some, but not all materials to cross

Question 21

Concentration gradient

Answer 21

Th difference in the concentration of substance from one location to another

Question 22

Active transport

Answer 22

Drives a molecule across a membrane from a region of higher concentration to lower

Question 23

Passive transport

Answer 23

Movement of molecules across a membrane without using energy

Question 24

Simple diffusion

Answer 24

Moves molecules from an area of higher concentration to lower

Question 25

Facilitated diffusion

Answer 25

Moves molecules from high and lower concentration but uses protein carrier molecules

Question 26

Endocytosis

Answer 26

Endocytosis I he process of taking liquids and engulfing them into membrane

Question 27

Exocytosis

Answer 27

The realese of a substance out of a cell by fusing a vesicle to the membrane

Question 28

Osmosis

Answer 28

When water molecules move across a semipermeable membrane

Question 29

Hypertonic

Answer 29

If a solution has higher concentration of dissolved particles in a cell

Question 30

Hypotonic

Answer 30

Has a lower concentration of dissolved particles than a cell